FBO: AFC North salary-cap analysis

Based on the money they cost, these AFC North players have the most to prove

Over the next few weeks, Football Outsiders will look at the salary cap of each NFL team, division by division -- including the player under the greatest pressure to live up to his salary-cap number in 2009. Today, we look at the NFC North and AFC North.

Al Messerschmidt/Getty ImagesHeap's numbers of late have been middle-of-the-road at best.